510(k) Report

510(k) · Cleared

Cleared

Dynaflo Bypass Graft

K050049510(k) SpecialCleared Jan 31, 200521-day reviewClass II21 CFR 870.3450

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Bard Peripheral Vascular, Inc. · DSY Prosthesis, Vascular Graft, Of 6mm And Greater Diameter

Cleared on Jan 31, 2005 as substantially equivalent to K983861 (Impra, Inc., 1998) after a 21-day review. Its family tree reaches back 1 generation to 1998. 5 later devices descend from it.

Decided
Jan 31, 2005
Review
21 days
Class
Class II
Product code
DSY
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K983861 (1998). 5 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2009: 1 descendant cleared2014: 1 descendant cleared2015: 1 descendant cleared2010: 1 descendant cleared2025: 1 descendant clearedK983861 · Distaflo Bypass Graft · Impra, Inc. · 1998 · recalled1995200020052010201520202025
Descendants, by generation 1 generation forward: 1 descendant2 generations forward: 3 descendants3 generations forward: 1 descendant K983861 · Distaflo Bypass Graft · Impra, Inc. · 1998 · recalled0
  1. Root · 1 generation backK983861 Distaflo Bypass GraftImpra, Inc. · 1998 · Recalled
  2. This deviceK050049 Dynaflo Bypass GraftBard Peripheral Vascular, Inc. · 2005
  3. Descendant · cites it directly · 4 of its ownK083169 Eptfe Slftm Spiral Vascular GraftTayside Flow Technologies Limited · 2009
  4. Descendant · 2 generations on · 1 of its ownK142062 Spiral Flow Peripheral Vascular GraftVascular Flow Technologies, Ltd. · 2014
  5. Descendant · 2 generations on · 1 of its ownK094044 Spiral Laminar Flow Vascular Arteriovenous GraftTayside Flow Technologies Limited · 2010
  6. Descendant · 3 generations on · 0 of its ownK252277 Spiral Laminar Flow™ Vascular Arteriovenous Graft (AV0645)Vascular Flow Technologies Limited · 2025
  7. Descendant · 2 generations on · 0 of its ownK150389 Spiral Flow Peripheral Vascular GraftVascular Flow Technologies, Ltd. · 2015

Most influential descendants

Showing 5 of 5 · See all
  • K083169Eptfe Slftm Spiral Vascular GraftTayside Flow Technologies Limited · 2009 · cites it directly4descendants
  • K142062Spiral Flow Peripheral Vascular GraftVascular Flow Technologies, Ltd. · 2014 · 2 generations on1descendant
  • K094044Spiral Laminar Flow Vascular Arteriovenous GraftTayside Flow Technologies Limited · 2010 · 2 generations on1descendant
  • K252277Spiral Laminar Flow™ Vascular Arteriovenous Graft (AV0645)Vascular Flow Technologies Limited · 2025 · 3 generations on0descendants
  • K150389Spiral Flow Peripheral Vascular GraftVascular Flow Technologies, Ltd. · 2015 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K983861Distaflo Bypass GraftImpra, Inc.19982
0 (this device)K050049Dynaflo Bypass GraftBard Peripheral Vascular, Inc.2005—
+1K083169Eptfe Slftm Spiral Vascular GraftTayside Flow Technologies Limited2009—
+2K142062Spiral Flow Peripheral Vascular GraftVascular Flow Technologies, Ltd.2014—
+2K094044Spiral Laminar Flow Vascular Arteriovenous GraftTayside Flow Technologies Limited2010—
+3K252277Spiral Laminar Flow™ Vascular Arteriovenous Graft (AV0645)Vascular Flow Technologies Limited2025—
+2K150389Spiral Flow Peripheral Vascular GraftVascular Flow Technologies, Ltd.2015—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200910
201010
201410
201510
202510
FIG. 1 — Lineage of K050049, 1998–2025Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in DSY? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new DSY device

  1. #1 K252445 Fusion Bioline Vascular Graftscore 12.4 · 5 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against? (1)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K983861Distaflo Bypass Graft
Summary page 1
…1 Vascular graft prosthesis Classification Panel: Cardiovascular Predicate Device: IMPRA Distaflo T MBypass Graft, K98386 1, concurrence date 11/24/1998. Summary of Change: The modification to the Distaflo Bypass Graft incorporates a more smoothl…
Impra, Inc.19982

Also cleared against K983861: 2 other devices →

What descends from it? (5)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K083169Eptfe Slftm Spiral Vascular GraftTayside Flow Technologies Limited20094

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Its one ancestor has a recall.
  • Of its descendants, K083169 (Tayside Flow Technologies Limited, 2009) has gone furthest, with 4 descendants of its own.
  • 2 other devices also cite its predicate K983861.

How does its category compare?

All DSY devices

DSY Prosthesis, Vascular Graft, Of 6mm And Greater Diameter: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · DSY

2in 2025

2007: 12008: 12009: 52010: 42011: 12012: 42013: 52014: 22015: 12016: 12017: 32018: 12019: 12020: 12021: 22022: 22023: 22024: 52025: 22026 (partial year): 1
2007high 5 (2009) · low 1 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DSY

160in 2024

2009: 73 days median2010: 55 days median2012: 30 days median2013: 69 days median2017: 269 days median2024: 160 days median
2007high 269 (2017) · low 30 (2012)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · DSY

1in 2025

2009: 22010: 52013: 12016: 22025: 12026 (partial year): 1
2007high 5 (2010) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · DSY

151in 2025

2007: 1202008: 1642009: 1932010: 1872011: 1652012: 1772013: 2072014: 3522015: 4602016: 2172017: 1932018: 2002019: 2322020: 1692021: 1682022: 1552023: 1492024: 1532025: 151
2007high 460 (2015) · low 120 (2007)2025

MAUDE reports naming product code DSY, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20071—0120
20081—0164
20095732193
20104555187
20111—0165
20124300177
20135691207
20142—0352
20151—0460
20161—2217
201732690193
20181—0200
20191—0232
20201—0169
20212—0168
20222—0155
20232—0149
202451600153
20252—1151
20261—1—

What is it indicated for?

Dynaflo Bypass Grafts are intended for bypass or reconstruction of peripheral arterial blood vessels.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K050049: Dynaflo Bypass Graft.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K050049

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026